OpenTechnical

OT-2026-000103462

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, pulsed blow-off after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000103462) never changes.

Identity and time

Publication numberOT-2026-000103462 · never reused
Internal UUID01a0aea4-e460-7e8d-a0d3-943462edbb02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103462
StatusPUBLIC

Content hashes

Canonical textcc3305a8f6b5c5d8b02ea32e68df1c433903366136d9e3f94302f1259832ebb8
Markdownc7ce3e1513019e371e726e91a9c9cb64936d917f26a397a350bef717c7f62a5f
PDF
Publication page4505453117edd32267523055028c91a0dcf46c947dc4a8dee49755db2c3d2937
Manifesteeb5595eba1fc43899efa9d5ad77fc13adc310e85ffce117141e911663b00050

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturewnCKjmz4Um9iwCHyTPX+DYytF8oNy9MB9HH/7obyJPP+t9VbN9jF07ZywtHnWbQNks8HP/OvMf3FeNE4VOw2DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:13.188413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103462
observed 4505453117edd32267523055028c91a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:13.171047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103462/manifest.json
observed eeb5595eba1fc43899efa9d5ad77fc13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:13.151498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103462/publication.md
observed c7ce3e1513019e371e726e91a9c9cb64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:13.131918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103462/publication.txt
observed cc3305a8f6b5c5d8b02ea32e68df1c43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.